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A DNS sink seems wrong - what if websites do the DNS lookup themselves and emit an IP address instead of sending the client a domain name?
by MichaelBurge 5y ago
A DNS sink seems wrong - what if websites do the DNS lookup themselves and emit an IP address instead of sending the client a domain name?
- Kerbonut 5y agoDid you just describe DNS over HTTPS (DoH) which a DNS sink would not be able to block?
- MichaelBurge 5y agoNo, it looks like that protocol in RFC 8484 uses "application/dns-message" MIME type for its messages, whereas I was thinking the web server could replace domains with IPs in the contents of HTML/Javascript/CSS files sent to the browser("text/html" or "application/javascript" MIME types).